Doctor profile · Federal record
Dr. John Duffy, MD
Transplant Surgery Physician (CMS: General Surgery) · Surgery Physician · Oklahoma City, OK
- NPI 1548368111
- Accepts Medicare
- MIPS 84.9 / 100 · 2023
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3300 Nw Expressway
Oklahoma City, OK 731124418
(405) 949-3349
fax (405) 945-5467 - Mailing address
-
5300 N Independence Ave, Suite 280
Oklahoma City, OK 731125556
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- April 5, 2017
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 204F00000X — NUCC code
- State license (1)
- Oklahoma #27602
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548368111. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
99
Distinct HCPCS
4
Medicare allowed
$35,105
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 45 | 28 | $91 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 26 | 11 | $76 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 16 | 16 | $128 | |
47135 |
Transplantation of donor liver | 12 | 12 | $2,249 |
In context: peer comparison
Among 4 peers in Oklahoma City Transplant Surgery Physician, average services per provider: 25. This provider delivers 4.0× the peer median.Open Payments
Industry payments received
All-time total
$224
Transactions
11
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 4 | $89.80 | |
| Madrigal Pharmaceuticals | 2 | $41.76 | |
| Gilead Sciences, INC. | 2 | $35.86 | |
| Intercept Pharmaceuticals, INC. | 1 | $26.51 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 1 | $15.38 | |
| Eurofins Viracor, LLC | 1 | $15.06 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
260
Patients
53
Total drug cost
$32,334
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ursodiol | Generic | 65 | 12 | $6,210 |
| Pantoprazole Sodium | Generic | 42 | 12 | $476 |
| Tacrolimus | Generic | 32 | 11 | $5,757 |
| Mycophenolate Mofetil | Generic | 24 | 0 | $1,374 |
| Oxycodone Hcl | Generic | 22 | 18 | $114 |
| Valganciclovir Hcl | Generic | 21 | 0 | $6,460 |
| Zenpep (Lipase/Protease/Amylase) | Brand | 15 | 0 | $3,352 |
| Eliquis (Apixaban) | Brand | 14 | 0 | $8,286 |
| Furosemide | Generic | 13 | 0 | $56 |
| Prednisone | Generic | 12 | 0 | $249 |
Hospital affiliations
Frequently asked questions
What is Dr. John Duffy's medical specialty?
Dr. John Duffy practices Transplant Surgery Physician in Oklahoma City, OK.
Where does Dr. John Duffy practice?
Dr. John Duffy practices at 3300 Nw Expressway, Oklahoma City, OK 731124418. Office phone: 4059493349.
What is Dr. John Duffy's NPI?
Dr. John Duffy's National Provider Identifier (NPI) is 1548368111, issued by NPPES.
Does Dr. John Duffy accept Medicare assignment?
Yes. Dr. John Duffy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Duffy commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.